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Continue Reading## Rise of New LinkedIn by Numbers

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Continue Reading## Employee Recognition By The Numbers

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Continue Reading## C++: Happy Numbers

From Wikipedia, the free encyclopedia: A happy number is defined by the following process. Starting with any positive integer, replace the number

Continue Reading## C++: Catalan Numbers

Catalan numbers are a sequence of numbers which can be defined directly: Or recursively: Or alternatively (also recursive):

Continue Reading## C++: Kaprekar Numbers

A positive integer is a Kaprekar number if: It is 1 The decimal representation of its square may be split once into two parts consisting of po

Continue Reading## C++: Luhn Test of Credit Card Numbers

The Luhn test is used by some credit card companies to distinguish valid credit card numbers from what could be a random selection of digits. Those

Continue Reading## C++: Input/Output for Pairs of Numbers

From lines of input starting with a line containing the numbers of pairs to follows, followed by that number of pairs of integers separated by a space

Continue Reading## C++: Ludic Numbers

Ludic numbers are related to prime numbers as they are generated by a sieve quite like the Sieve of Eratosthenes is used to generate prime numbers.

Continue Reading## Twitter by the Numbers: Some Interesting Stats

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